CN1922904A - Method for transmitting data inside a base station of a mobile radio system, and corresponding base station - Google Patents
Method for transmitting data inside a base station of a mobile radio system, and corresponding base station Download PDFInfo
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- CN1922904A CN1922904A CNA2005800057403A CN200580005740A CN1922904A CN 1922904 A CN1922904 A CN 1922904A CN A2005800057403 A CNA2005800057403 A CN A2005800057403A CN 200580005740 A CN200580005740 A CN 200580005740A CN 1922904 A CN1922904 A CN 1922904A
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- 238000000034 method Methods 0.000 title claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 30
- 101100371857 Caenorhabditis elegans unc-71 gene Proteins 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 101000796953 Homo sapiens Protein ADM2 Proteins 0.000 description 2
- 102100032586 Protein ADM2 Human genes 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Abstract
Data IQ of a first mobile radio system are processed in the baseband inside a baseband unit BB of the base station BS, and are converted from or into the high-frequency range inside a high-frequency unit RF of the base station. The data IQ of the first mobile radio system are transmitted between the baseband unit BB and the high-frequency unit RF via an interface IC. Data IP to be transmitted of a second mobile radio system are, before a processing in the baseband, and/or received data IP of the second mobile radio system are, after a processing, also transmitted via said interface IC.
Description
The present invention relates to a kind of method and relevant base station that is used for transmission data in the base station of mobile radio system.
In mobile radio system, the user's communications of mobile radio system is undertaken by radio wave.For example for mobile radio second generation GSM (global system for mobile communications) or IS-95 and known multiple mobile radio system for mobile radio third generation UMTS-FDD (Universal Mobile Telecommunications System-frequency division multiplexing).In addition, the mobile radio system of being conceived according to one of so-called WLAN (WLAN (wireless local area network)) or WMAN (wireless MAN) standard (for example standard 802.x) is attainable.
The radio access point of mobile radio system often is also referred to as the base station, and wherein the user communicates by letter with described radio access point via air interface.Many enterprises have defined interface in this base station jointly with Siemens, and described interface at first can be used to UMTS-FDD, also can be used to other standards subsequently.This interface is known with title " common public radio interface (CPRI) ".CPRI makes the so-called wireless device control section of base station partly be connected with its so-called wireless device.In addition, the wireless device control section comprises the Base-Band Processing of waiting for transmission or the signal that received, and carries out conversion or the conversion from the signal that received to base band from armed signal to high frequency band in the wireless device part.
For when the network planning and save cost when mounted, the base station or the radio access point of different mobile radio systems may be set in identical position meaningfully.The present invention based on task be to realize this point in an advantageous manner.
This task is utilized method according to claim 1 and is solved according to the described base station of claim arranged side by side.Form of implementation of the present invention and improvement project are the themes of dependent claims.
The inventive method regulation that is used for transmission data in the base station of first mobile radio system, the data of described first mobile radio system are processed in base band in the Base Band Unit of described base station, and in the high frequency unit of described base station, be converted, perhaps be switched in the high-frequency range from high-frequency range; The data of described first mobile radio system are transmitted via interface between described Base Band Unit and described high frequency unit; And before the armed data of second mobile radio system are handled in base band and/or the data that received of second mobile radio system transmit via described interface equally after in base band, handling.
Also promptly the armed data of first mobile radio system are processed in base band before it is via the interface transmission, and only after via the interface transmission, just be switched in the high-frequency range, and for the armed data of second mobile radio system, also before Base-Band Processing, carry out transmission via interface.Therefore, similarly, for the data that received of first mobile radio system, only after via the interface transmission, just carry out Base-Band Processing, and for the received data of second mobile radio system, before via the transmission of interface, just carried out Base-Band Processing.
This means, for from the position of the Base Band Unit of the base station of position to the first mobile radio system of the high frequency unit of the base station of first mobile radio system and transmit the interface that separation needn't be set the data of second mobile radio system in the opposite direction.Therefore, the additional connection that is used to transmit the data of second mobile radio system is unnecessary.If the distance between high frequency unit and the Base Band Unit quite greatly, for example if Base Band Unit is disposed in the basement of building and high frequency unit is disposed on the roof of building, then this is especially favourable.
Therefore, the present invention can be advantageously also be applied to transmit the data of second mobile radio system with the set interface between Base Band Unit and high frequency unit in base station that originally be first mobile radio system, and carries out wasteful coupling need not work as the base station of conceiving first mobile radio system time.
According to a kind of improvement project of the present invention, the data of second mobile radio system are the input and/or the dateouts of the radio access point of second mobile radio system.
Two mobile radio systems can relate to any mobile radio system of communicating by letter with the mobile subscriber via radio wave therein.At least one of two mobile radio systems for example can be constructed to honeycomb fashion, also promptly comprises a plurality of wireless areas with at least one base station or radio access point, and described radio access point is used to cover corresponding radio plot.
According to a kind of form of implementation of the present invention, the interface between Base Band Unit and the high frequency unit is a serial line interface, via the data of described serial line interface with two mobile radio systems of time-multiplexed form transmission.According to a kind of preferred form of implementation, described serial line interface is the serial line interface according to aforesaid CPRI standard.Consider each version (current version is a version 1.0) of CPRI standard, the version that also looks to the future at this.
According to a kind of form of implementation of the present invention, the data of first mobile radio system can be assigned to physical layer, and the data of second mobile radio system can be assigned to the higher level of layer model, especially ISO-OSI (International Standards Organization-open system interconnection) layer model.
According to a kind of improvement project of the present invention, the radio access point of the base station of first mobile radio system and second mobile radio system utilizes public emission and/or reception antenna to launch or receives signal waiting for transmission.Thus, avoided the necessity of the antenna of separation.
Do not rely on and whether use public transmitting antenna or reception antenna, a kind of improvement project regulation of the present invention: the high frequency unit of the radio access point of second mobile radio system and the base station of first mobile radio system structurally is integrated in the common unit.Yet both also can be implemented structurally separated from one anotherly.
The base station of the present invention of first mobile radio system has the device or the unit of the execution of supporting the inventive method.The form of implementation of base station of the present invention and improvement project have corresponding device thereof or unit, so that can carry out the form of implementation and the improvement project of the inventive method.
Below, according to embodiment shown in the figure the present invention is described in more detail.
Fig. 1 illustrates the first embodiment of the present invention, and
Fig. 2 illustrates the second embodiment of the present invention.
Fig. 1 illustrates according to the base station BS of first mobile radio system of UMTS-FDD standard with according to the wireless access point AP of second mobile radio system of WLAN or WMAN standard (for example 802.11 or 802.16).But, in other embodiments of the invention, base station BS and wireless access point AP also can be assigned to other mobile radio systems arbitrarily, for example can be assigned to corresponding to identical standard but by two mobile radio systems of different operator's operations.
Base station BS among Fig. 1 has the first module REC (wireless device control) and the second unit R E (wireless device), and they interconnect via the interface IC that meets the CPRI standard.In first module REC, carry out control and management by first processor C1 to the base station, described first processor C1 produces control signal corresponding CM and is used to control other functional units in the base station BS.For example realize control by control signal CM, wherein send armed signal via the second unit R E with described transmitting power to transmitting power.The second unit R E has the second processor C2, and the described second processor C2 is used for handling by the control signals transmitted CM of first processor C1 institute, and is used for correspondingly controlling high frequency unit RF.Therefore, at least a portion of control signal CM is transferred to the second unit R E and is continued to be transferred to the second processor C2 via interface IC.Also in opposite transmission direction, control signal CM is transferred to first processor C1 from the second processor C2.For example relate to the control signal that is used for automatic gain control and is used for received signal intensity at this.
The control signal CM of first processor C1 arrives the second processor C2 in the second unit R E via interface IC, and the described second processor C2 carries out the analysis of control signal and controls high frequency unit RF in the corresponding way.
The first module REC of base station BS comprises Base Band Unit BB, is used for handling in base band the data I Q of first mobile radio system.In addition, Base Band Unit BB carries out the chnnel coding to the armed data of first mobile radio system, staggered (Interleaving), spread spectrum and scrambling (Verwuerfelung).Equally, Base Band Unit BB carries out channel-decoding, deinterleave, despreading to the data that received of first mobile radio system, goes scrambling.
High frequency unit RF is arranged in the second unit R E of base station BS, by means of described high frequency unit, data I Q by D/A switch, be switched in the high-frequency range and power amplification subsequently ground and be launched via the first antenna A1 as radio signal F1, wherein said data I Q is produced by Base Band Unit BB in advance and is transmitted via interface IC.In opposite transmission direction, the radio signal F1 that is received via the first antenna A1 of first mobile radio system is amplified, is switched to base band and subsequently by D/A switch from high-frequency range by low noise ground in high frequency unit RF.Next, the data I Q that is received is transferred to Base Band Unit BB via interface IC.When in Base Band Unit BB by Base-Band Processing after, the data that received of first mobile radio system are fed to the output of base station BS as ATM-packet ATM (other embodiment for example also can be IP packet or circuit-switched data (circuit switched)) via first add-drop multiplexer (Add-Drop-Multiplexer) ADM1, carry out transmission to (unshowned among Fig. 1) base station controller or radio network controller from the described output of base station BS.In the opposite direction, ATM-packet ATM arrives the Base Band Unit BB of base station BS from base station controller via the first add-drop multiplexer ADM1, and Base-Band Processing after therefrom via the high frequency unit RF in the second unit R E of interface IC arrival base station BS.
Via the interface IC between two unit R EC, the RE of base station BS, except base band data IQ and control signal CM, also with time-multiplexed form transmit the data I P of second mobile radio system, also promptly with the input and output data of time division multiplexing form transmission radio access point AP.At this, the transmission of (effectively) data I Q of first mobile radio system is carried out according to CPRI IQ agreement, and by means of HDLC (High-Level Data Link Control) agreement or Ethernet protocol transmission of control signals CM and transmit the data I P of second mobile radio system according to Ethernet protocol or HDLC agreement.
The data I P of second mobile radio system has the form of IP (Internet Protocol) packet.Radio access point AP has and the conventional radio access point of second mobile radio system investigated (in this case with according to 802.11 or 802.16 standards conventional radio access point) identical functions.As shown in Figure 1, radio access point AP can structurally implement separately with the second unit R E of the base station BS of first mobile radio system.But access point AP is integrated in structurally that (corresponding at the second unit R E ' shown in dotted lines in Figure 1) also is possible among the second unit R E.
In the radio access point AP of Fig. 1, not only carry out the Base-Band Processing of data I P, but also carry out its conversion in from the base band to the high-frequency range or opposite conversion.The radio signal F2 that is received via the second antenna A2 of second mobile radio system is imported into radio access point AP, is switched in the base band there, and stands Base-Band Processing.Be imported into the second processor C2 in the second unit R E of base station BS as the output signal of radio access point AP with the data I P of IP packet form.Also in this embodiment promptly, for between interface IC and radio access point AP and the data I P of second mobile radio system in the opposite direction, the second processor C2 has the additional function (in other embodiments of the invention, this function of second processor also can realize by another processor with all the other functional separation ground of second processor) of router.The second processor C2 is transferred to first processor C1 in the first module REC with the data I P of radio access point AP via interface IC.First processor is transmitted to the first add-drop multiplexer ADM1 with the data I P of radio access point AP subsequently, and described first add-drop multiplexer is input to data I P the unshowned gateway that leads to the internet subsequently.In opposite transmission direction, from the internet treat at first arrive first processor C1 by the data I P of radio access point AP transmission via the first add-drop multiplexer ADM1.Data I P is transferred to the second processor C2 from first processor C1 via interface IC, and transfer to radio access point AP therefrom, Base-Band Processing and be transformed into high-frequency range after described radio access point data are transferred to the second antenna A2 as radio signal F2, subsequently from the second antenna A2 via aerial transmitted radio signal.
The first module REC among Fig. 1 and the second unit R E have multiplexer and demultplexer M1, M2 respectively.They are used for the control signal CM of the waiting for transmission of base station BS or (effectively) the data I Q, the first processor C1 that are received and the data I P of radio access point AP are multiplexed to serial line interface IC, perhaps be assigned to respective lines in unit R EC, the RE from serial line interface IC multichannel on.Carrying out to time division multiplexing the transmission of the data I P of the control signal CM and second mobile radio system between the first processor C1 and the first multiplexer M1 and between the second multiplexer M2 and the second processor C2.Equally, the input end at base station BS carries out the reception of data ATM, IP and carries out the transmission of data via common line time division multiplexing ground in the opposite direction.
Fig. 2 illustrates the second embodiment of the present invention, and wherein base station BS and radio access point AP (described radio access point for example also can be integrated among the second unit R E of base station BS) transmit and receive its radio signal F1, F2 via community antenna A.To this, radio signal F1, F2 are combined in unit F and launch via antenna A, and be perhaps separated from one another by unit F in opposite transmission direction.If radio signal F1, F2 are in the different frequency bands, so just can carry out the latter especially simply.Compare with the embodiment of Fig. 1, in Fig. 2, at the first add-drop multiplexer ADM1 of the input of base station BS or output is not that part as base station BS structurally is integrated among the first module REC of base station BS, but is implemented discretely with described first module.Carry out the transmission of packet ATM, IP to the second add-drop multiplexer ADM2 from the first add-drop multiplexer ADM1 via (for example based on SDH (SDH (Synchronous Digital Hierarchy)) or PDH) connection, the described second add-drop multiplexer multichannel is distributed via packet ATM, IP that air interface received, and will be input to base station controller RNC corresponding to the packet ATM of the data I Q of first mobile radio system and the data I P of second mobile radio system is input to the internet via gateway.Armed packet ATM, IP are multiplexed on the common line that leads to the first add-drop multiplexer ADM1 by the 2nd ADM multiplexer ADM2.
Claims (10)
1. the method that is used for transmission data in the base station of first mobile radio system (BS), wherein
The data (IQ) of-described first mobile radio system are processed in base band in the Base Band Unit (BB) of described base station (BS), and are converted from high-frequency range in the high frequency unit (RF) of described base station, perhaps be switched in the great number scope,
The data (IQ) of-described first mobile radio system are transmitted via interface (IC) between described Base Band Unit (BB) and described high frequency unit (RF),
It is characterized in that,
Before the armed data (IP) of-the second mobile radio system are handled in base band and/or the data that received (IP) of second mobile radio system transmit via described interface (IC) equally after in base band, handling.
2. in accordance with the method for claim 1, wherein
The data of second mobile radio system (IP) are the input and/or the dateouts of the radio access point (AP) of second mobile radio system.
3. in accordance with the method for claim 2, wherein
The described high frequency unit (RF) of the described radio access point (AP) of second mobile radio system and the base station of first mobile radio system structurally is integrated in the public unit (RE) or separated from one another being implemented.
4. according to claim 2 or 3 described methods, wherein
The described base station (BS) of first mobile radio system and the described radio access point (AP) of second mobile radio system utilize public emission and/or reception antenna (A) launch or receive signal waiting for transmission (F1, F2).
5. according to one of aforesaid right requirement described method, wherein
The described data (IQ) of first mobile radio system can be assigned to physical layer, and the described data (IP) of second mobile radio system can be assigned to the higher level of layer model.
6. according to one of aforesaid right requirement described method, wherein
Described interface (IC) is a serial line interface, via described serial line interface with time-multiplexed form transmission data (IQ, IP).
7. in accordance with the method for claim 6, wherein
Described interface (IC) is corresponding to the common public radio interface standard.
8. according to one of aforesaid right requirement described method, wherein
One in two mobile radio systems is honeycomb fashion, and another mobile radio system is not a honeycomb fashion.
9. the base station of first mobile radio system (BS)
-have Base Band Unit (BB), be used for handling the data (IQ) of first mobile radio system in base band,
-have high frequency unit (RF), be used for high-frequency range is changed or be converted to the data (IQ) of first mobile radio system from high-frequency range,
-have interface (IC), be used for the data of transmission first mobile radio system between described Base Band Unit (BB) and described high frequency unit (RF),
It is characterized in that,
-device (C1; C2), be used for handling in base band via described interface (IC) equally before transmission second mobile radio system armed data (IP) and/or in base band, handle after transmit the data that received (IP) of described second mobile radio system.
10. according to the described base station of claim 9,
The radio access point (AP) of the high frequency unit of described base station (RF) and second mobile radio system structurally is integrated in the public unit (RE), wherein can be by the data of described radio access point (AP) transmission second mobile radio system.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04004076.8 | 2004-02-23 | ||
| EP04004076A EP1566980A1 (en) | 2004-02-23 | 2004-02-23 | Method for transmitting data within a base station of a portable radio system and corresponding base station |
| PCT/EP2005/050006 WO2005081562A1 (en) | 2004-02-23 | 2005-01-03 | Method for transmitting data inside a base station of a mobile radio system, and corresponding base station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1922904A true CN1922904A (en) | 2007-02-28 |
| CN1922904B CN1922904B (en) | 2011-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005800057403A Expired - Fee Related CN1922904B (en) | 2004-02-23 | 2005-01-03 | Method for transmitting data inside a base station of a mobile radio system, and corresponding base station |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20070171866A1 (en) |
| EP (2) | EP1566980A1 (en) |
| CN (1) | CN1922904B (en) |
| AT (1) | ATE434915T1 (en) |
| DE (1) | DE502005007562D1 (en) |
| ES (1) | ES2328711T3 (en) |
| WO (1) | WO2005081562A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109644152A (en) * | 2016-07-07 | 2019-04-16 | 无线电广播技术研究所有限公司 | Transmission signal receives in the compatible improved house for the standard criterion of mobile phone |
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| CN101188817B (en) * | 2006-11-15 | 2014-09-17 | 华为技术有限公司 | Multi-system base station, its signal receiving and transmission method and wireless communication network |
| WO2009019539A1 (en) * | 2007-08-09 | 2009-02-12 | Freescale Semiconductor, Inc. | Arrangement of radiofrequency integrated circuit and method for manufacturing thereof |
| US8005152B2 (en) | 2008-05-21 | 2011-08-23 | Samplify Systems, Inc. | Compression of baseband signals in base transceiver systems |
| JP5135171B2 (en) * | 2008-11-10 | 2013-01-30 | 株式会社エヌ・ティ・ティ・ドコモ | Radio base station, radio apparatus and radio apparatus control apparatus |
| US8649388B2 (en) * | 2010-09-02 | 2014-02-11 | Integrated Device Technology, Inc. | Transmission of multiprotocol data in a distributed antenna system |
| US8989088B2 (en) | 2011-01-07 | 2015-03-24 | Integrated Device Technology Inc. | OFDM signal processing in a base transceiver system |
| US9059778B2 (en) | 2011-01-07 | 2015-06-16 | Integrated Device Technology Inc. | Frequency domain compression in a base transceiver system |
| CN102960049B (en) | 2011-05-25 | 2016-06-29 | 华为技术有限公司 | Data transmission method and base station |
| US9215296B1 (en) | 2012-05-03 | 2015-12-15 | Integrated Device Technology, Inc. | Method and apparatus for efficient radio unit processing in a communication system |
| FR2990315B1 (en) * | 2012-05-04 | 2014-06-13 | Blink E | METHOD FOR TRANSMITTING INFORMATION BETWEEN A TRANSMITTING UNIT AND A RECEIVING UNIT |
| RU2498529C1 (en) * | 2012-05-15 | 2013-11-10 | Закрытое Акционерное Общество "Интервэйл" | Method for interaction of content provider system with sms message packet transmission aggregator |
| WO2014109782A1 (en) | 2013-01-14 | 2014-07-17 | Andrew Llc | Interceptor system for characterizing digital data in telecommunication system |
| WO2015001390A1 (en) * | 2013-07-04 | 2015-01-08 | Freescale Semiconductor, Inc. | Method and device for data streaming in a mobile communication system |
| WO2015001389A1 (en) * | 2013-07-04 | 2015-01-08 | Freescale Semiconductor, Inc. | Method and device for streaming control data in a mobile communication system |
| US9203933B1 (en) | 2013-08-28 | 2015-12-01 | Integrated Device Technology, Inc. | Method and apparatus for efficient data compression in a communication system |
| US9553954B1 (en) | 2013-10-01 | 2017-01-24 | Integrated Device Technology, Inc. | Method and apparatus utilizing packet segment compression parameters for compression in a communication system |
| US9485688B1 (en) | 2013-10-09 | 2016-11-01 | Integrated Device Technology, Inc. | Method and apparatus for controlling error and identifying bursts in a data compression system |
| US9398489B1 (en) | 2013-10-09 | 2016-07-19 | Integrated Device Technology | Method and apparatus for context based data compression in a communication system |
| US9313300B2 (en) | 2013-11-07 | 2016-04-12 | Integrated Device Technology, Inc. | Methods and apparatuses for a unified compression framework of baseband signals |
| CN113395259A (en) * | 2015-12-17 | 2021-09-14 | 华为技术有限公司 | Protocol conversion method and device |
| US10608919B2 (en) | 2016-02-19 | 2020-03-31 | Commscope Technologies Llc | Passive intermodulation (PIM) testing in distributed base transceiver station architecture |
| US10609582B2 (en) | 2016-09-08 | 2020-03-31 | Commscope Technologies Llc | Interference detection and identification in wireless network from RF or digitized signal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5781865A (en) * | 1996-05-20 | 1998-07-14 | Scientific Research Corporation | PCS cell site system for allowing a plurality of PCS providers to share cell site antennas |
| US6658263B1 (en) * | 1999-12-21 | 2003-12-02 | Lucent Technologies Inc. | Wireless system combining arrangement and method thereof |
| EP1213648A1 (en) * | 2000-12-05 | 2002-06-12 | Infineon Technologies AG | Method for coordinating tasks in a GSM network |
| DE10115610A1 (en) * | 2001-03-29 | 2002-10-02 | Alcatel Sa | Method and base station for baseband processing of received signals |
| US7043270B2 (en) * | 2001-08-13 | 2006-05-09 | Andrew Corporation | Shared tower system for accomodating multiple service providers |
| DE10201642C1 (en) * | 2002-01-17 | 2003-12-11 | Siemens Ag | Radio communication system has 2 radio network controllers for provision of communication links using 2 different carrier frequencies |
| US7680059B2 (en) * | 2004-02-13 | 2010-03-16 | Broadcom Corporation | Multiple protocol wireless communications in a WLAN |
-
2004
- 2004-02-23 EP EP04004076A patent/EP1566980A1/en not_active Withdrawn
-
2005
- 2005-01-03 EP EP05701422A patent/EP1719366B1/en not_active Not-in-force
- 2005-01-03 CN CN2005800057403A patent/CN1922904B/en not_active Expired - Fee Related
- 2005-01-03 ES ES05701422T patent/ES2328711T3/en active Active
- 2005-01-03 AT AT05701422T patent/ATE434915T1/en not_active IP Right Cessation
- 2005-01-03 WO PCT/EP2005/050006 patent/WO2005081562A1/en active Application Filing
- 2005-01-03 US US10/590,433 patent/US20070171866A1/en not_active Abandoned
- 2005-01-03 DE DE502005007562T patent/DE502005007562D1/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109644152A (en) * | 2016-07-07 | 2019-04-16 | 无线电广播技术研究所有限公司 | Transmission signal receives in the compatible improved house for the standard criterion of mobile phone |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1719366B1 (en) | 2009-06-24 |
| CN1922904B (en) | 2011-06-08 |
| EP1719366A1 (en) | 2006-11-08 |
| WO2005081562A1 (en) | 2005-09-01 |
| EP1566980A1 (en) | 2005-08-24 |
| ES2328711T3 (en) | 2009-11-17 |
| DE502005007562D1 (en) | 2009-08-06 |
| ATE434915T1 (en) | 2009-07-15 |
| US20070171866A1 (en) | 2007-07-26 |
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